When to Tehran
Climate guide & best times to travel
Best Time to Visit
Month-by-Month Guide
January
January is Tehran's coldest month with chilly temperatures and moderate rainfall. The weather is crisp and cool, making it ideal for indoor cultural activities and exploring covered bazaars. This is considered the heart of winter with frequent cloudy days.
February
February remains cold but shows the first signs of spring approaching with slightly warmer temperatures. Rain is still common, and the weather can be unpredictable. It's a quiet time for tourism with fewer crowds at major attractions.
March
March marks the beginning of spring with noticeably warmer temperatures and the highest rainfall of the year. The city begins to bloom, and outdoor activities become more appealing. This is an excellent time for photography with lush landscapes.
April
April offers some of the most pleasant weather of the year with comfortable temperatures and moderate rainfall. Spring is in full swing, making it perfect for sightseeing and outdoor exploration. Tourist numbers begin to increase.
May
May features warm, increasingly dry weather as summer approaches. With significantly reduced rainfall and comfortable temperatures, it's one of the best months for all types of activities. The transition from spring to summer creates ideal conditions.
June
June brings hot, dry weather with minimal rainfall, marking the beginning of the dry season. Temperatures rise significantly, making early morning and evening the best times for outdoor activities. Tourist season is in full swing.
July
July is the hottest month of the year with intense heat and virtually no rainfall. The dry conditions and high temperatures make it challenging for extensive outdoor activities during midday. Air conditioning becomes essential for comfort.
August
August remains very hot with minimal rainfall, continuing the peak summer conditions. While slightly cooler than July, temperatures are still quite intense. Many locals and tourists prefer indoor activities during the hottest parts of the day.
September
September marks the beginning of autumn with more comfortable temperatures and completely dry conditions. The weather becomes increasingly pleasant for outdoor activities as the intense summer heat begins to subside. It's an excellent month for visiting.
October
October offers some of the most comfortable weather of the year with mild temperatures and minimal rainfall. The autumn conditions are perfect for sightseeing, hiking, and cultural exploration. Tourist numbers remain high due to the pleasant climate.
November
November brings cooler temperatures and the return of more significant rainfall, signaling the transition to winter. The weather remains generally pleasant for most activities, though warmer clothing becomes necessary. Tourist crowds begin to thin out.
December
December is cool and wet, marking the beginning of winter with increased rainfall and significantly cooler temperatures. While outdoor activities become more challenging, it's an excellent time for cultural experiences and enjoying Tehran's indoor attractions.